package com.sgj.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * @author 沈国纪
 * @date 2021/12/11 19:26
 */
@Component
public class ApplicationContextUtils implements ApplicationContextAware {

    private static ApplicationContext context;

    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        context = applicationContext;
    }

    // 根据 bean 名称获取工厂中指定 bean 对象
    public static Object getBean(String beanName) {
        return context.getBean(beanName);
    }

    // 根据 bean 名称获取工厂中指定 bean 对象
    public static <T> T getBean(Class<T> requiredType) {
        return context.getBean(requiredType);
    }
}